1023520430 has 8 divisors (see below), whose sum is σ = 1842336792. Its totient is φ = 409408168.

The previous prime is 1023520427. The next prime is 1023520453. The reversal of 1023520430 is 340253201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51176012 + ... + 51176031.

It is an arithmetic number, because the mean of its divisors is an integer number (230292099).

Almost surely, 2^1023520430 is an apocalyptic number.

1023520430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023520430 is a deficient number, since it is larger than the sum of its proper divisors (818816362).

1023520430 is a wasteful number, since it uses less digits than its factorization.

1023520430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102352050.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1023520430 is about 31992.5058412123. The cubic root of 1023520430 is about 1007.7794662994.

Adding to 1023520430 its reverse (340253201), we get a palindrome (1363773631).

The spelling of 1023520430 in words is "one billion, twenty-three million, five hundred twenty thousand, four hundred thirty".